• 정보관리학회지
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• 제36권1호
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• pp.191-213
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• 2019

과학적 지식을 얻는 과정은 연구자의 연구를 통해 이루어진다. 연구자들은 과학의 불확실성을 다루고 과학적 지식의 확실성을 구축해나간다. 즉, 과학적 지식을 얻기 위해서 불확실성은 반드시 거쳐가야 하는 필수적인 단계로 인식되고 있다. 현존하는 불확실성의 특성을 파악하는 연구는 언어학적 접근의 hedging 연구를 통해 소개되었으며 컴퓨터 언어학에서 수작업 기반으로 불확실성 단어 코퍼스를 구축해왔다. 기존의 연구들은 불확실성 단어의 단순 출현 빈도를 기반으로 특정 학문 영역의 불확실성의 특성을 파악해오는데 그쳤다. 따라서 본 연구에서는 문장 내 생의학적 주장이 중요한 역할을 하는 생의학 문헌을 대상으로 불확실성 단어 기반 과학적 지식의 패턴을 시간의 흐름에 따라 살펴보고자 한다. 이를 위해 생의학 온톨로지인 UMLS에서 제공하는 의미적 술어를 기반으로 생의학 명제를 분석하였으며, 학문 분야의 패턴을 파악하는데 용이한 DMR 토픽 모델링을 적용하여 생의학 개체의 불확실성 기반 토픽의 동향을 종합적으로 파악하였다. 시간이 흐름에 따라 과학적 지식의 표현은 불확실성이 감소하는 패턴으로 연구의 발전이 이루어지고 있음을 확인하였다.

• Advances in materials Research
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• 제2권1호
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• pp.51-64
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• 2013

Enantioselective macromer of trimesic acid was prepared using S(-) menthol with trimesoyl chloride on polyimide (PI) ultrafiltration membrane. The chemical composition of macromer as well as polyimide ultrafiltration membrane was determined by ATR-FTIR Spectroscopy. The optical resolution of chiral alcohols was performed in pressure driven process. The effect of monomer solutions concentration, effect of air-drying time of S(-) menthol solution, effect of reaction time, effect of operating pressure, effect of feed concentration of racemate on the performance of macromer was studied. The synthesised material exhibits separation of chiral alcohols (menthol ~23% and sobrelol ~21%).

• 한국조경학회지
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• 제28권6호
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• pp.127-132
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• 2001

The purpose of this research is to compare and analyze scientific names and Korean names of interior plants, considering that consumes' purchasing systems consist of internet and communication media in the era of informationalization, to help the consumers purchasing plants, and to propose some directions for the unification of Korean name in practical circulation. This survey was performed during 4 months from May to September in 2000. The survey places for research were wholesale flower market of YangJje Dong and Nam Seoul. The used plants for research were 37 family, 76 genus and 120 species. The main methods of data collection were interview and reference f plants picture books. The main reference for identifying plant name was accomplished by Yoon Ypung-Sub's HORTUS KOREANA. The research results are as follows; 1) Fifty one plants were identified as using generic or specific name. 2) Thirteen plants were identified as using varietal name. 3) Twenty four plants were identified as using common name recoded in a plant dictionary. 4)Thirteen plants were identified as using incorrect name. Consequently, it was identified that the research for the unification of Korean name of interior landscape plants should be performed thorough continuous cooperation between academic field and business field for solving various problems which is occurred in plants circulation process.

• 한국초등과학교육학회지:초등과학교육
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• 제30권3호
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• pp.282-295
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• 2011

Prior research has reported that student epistemological beliefs might affect their participation in learning and the process of conceptual change. The purposes of this study were to investigate the characteristics of sixth grade students epistemological beliefs about science and the relation between their epistemological beliefs about science and factors related their learning. For this research questions, 245 sixth grade students participated and various test instruments were used in this study. Students answered two types of questionnaires on epistemological beliefs about science and three test instruments on factors related students' learning(achievement in science, science inquiry skills, and cognitive levels). The results of this study were as follows. First, a large number of elementary school students believed that the purpose of science to perform activities like simple experiments. A lot of students believed that scientific knowledge was changeable according to the nature of scientific knowledge and that scientific knowledge could be learnt on their own. Also, many students believed experiment results to be basis on which to form personal scientific conceptions. Second, students who believed in more modern epistemology about science represented higher levels of science learning achievement, science inquiry skills, and cognitive levels. Therefore, when developing science curriculum, science educators need to consider how to develop student modern epistemological beliefs about science.

• 한국과학교육학회지
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• 제25권6호
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• pp.642-649
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• 2005

Argumentative discussion is one of the important components of an educational program, which allows students not only to learn the process of social negotiation through discussions, but also to improve students' overall research abilities. The purpose of this study was to examine a) the changes between inquiry of before-argumentative discussion and inquiry of after-argumentative discussion, and b) the connections between the inquiry changes and online argumentative discussion. This study analysed 726 messages in an online argumentative discussion, as well as in first research reports and second research reports. The results of the study indicate that science-gifted students' research abilities were improved through on-line argumentative discussion that provided them with feedback based on interactive discussions, and encouraged them to re-examine hypotheses and experiment processes. The science-gifted students showed knowledge and abilities for identifying simple errors in research processes and arguing problems in the flow of the whole logic of research.

• 과학교육연구지
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• 제37권2호
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• pp.261-277
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• 2013

본 연구에서는 교육대학교 초등과학교육론 수업에서 과학 활동지 만들기 수업 프로그램을 통해 초등 예비교사들의 과학에 대한 태도와 과학 탐구에 대한 태도에 미치는 영향을 알아보고자 하였다. 연구대상은 교육대학교 3학년에 재학중인 예비교사 141명을 대상으로 하였다. 연구결과는 다음과 같다. 첫째, 과학 탐구활동지 만들기 수업 프로그램은 초등 예비교사들의 과학에 대한 태도를 개선시켰으며, 과학에 관한 지식을 갖추는 것이 중요하다는 인식에 도움을 주어 장래 학교에서 과학을 가르치는 일을 더 즐거운 것으로 느끼게 만들 수 있었던 것으로 판단된다. 둘째, 과학 탐구활동지 만들기 수업 프로그램은 초등 예비교사들의 과학 탐구에 대한 태도에 긍정적인 영향을 준 것으로 나타났다. 즉, 탐구 기반 학습 유형을 중요한 과학 수업의 과정으로 생각하는 것으로 나타났다. 셋째, 과학 탐구활동지 만들기 수업 프로그램이 현장에 가서 어떠한 도움이 될 수 있는지에 대한 개방형 질문 결과, 수업모형의 활용 방안 측면에서 도움이 된다는 반응이 가장 많았고, 초등학생들의 과학적 지식이나 탐구과정 이해에 도움을 줄 것으로 생각하고 있었다.

• Journal of information and communication convergence engineering
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• 제15권3호
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• pp.170-174
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• 2017

Nowadays, people share and discuss scientific papers on social media such as the Web 2.0, big data, online forums, blogs, Twitter, Facebook and scholar community, etc. In addition to a variety of metrics such as numbers of citation, download, recommendation, etc., paper review text is also one of the effective resources for the study of scientific impact. The social media tools improve the research process: recording a series online scholarly behaviors. This paper aims to research the huge amount of paper reviews which have generated in the social media platforms to explore the implicit information about research papers. We implemented and shown the result of text mining on review texts using R language. And we found that Zika virus was the research hotspot and association research methods were widely used in 2016. We also mined the news review about one paper and derived the public opinion.

• Journal of Microbiology and Biotechnology
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• 제18권1호
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• pp.128-134
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• 2008

The kinetics of cell growth and Cyclosporin A (Cyc A) production by Tolypocladium inflatum were studied in shake flasks and bioreactors under controlled and uncontrolled pH conditions. In the case of the shake flask, the production time was extended to 226 h and the maximal antibiotic concentration was 76 mg/l. When scaling up the cultivation process to a bioreactor level, the production time was reduced to only 70h with a significant increase in both the cell growth and the antibiotic production. The maximal dry cell weights in the case of the controlled pH and uncontrolled pH cultures in the bioreactor were 22.4g/l and 14.2g/l, respectively. The corresponding maximal dry cell weight values did not exceed 7.25g/l with the shake flask cultures. The maximal values for Cyc A production were 144.72 and 131.4 mg/l for the controlled and uncontrolled pH cultures, respectively. It is also worth noting that a significant reduction was observed in both the dry cell mass and the antibiotic concentration after the Cyc A production phase, whereas the highest rate of antibiotic degradation was observed in the stirred tank bioreactor with an uncontrolled pH. Morphological characterization of the micromorphological cell growth (mycelial/pellet forms) was also performed during cultivation in the bioreactor.

• 대한기관윤리심의기구협의회지
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• 제4권1호
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• pp.5-15
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• 2022

To suggest future directions for the improvement in the Institutional Review Board (IRB) review process and efficient operation of IRB, we have analyzed the IRB review results from 460 new research proposals submitted to the Review by the Convened IRB of the Keimyung University Dongsan Hospital IRB from January 2019 to July 2021. IRB is an independently established institutional committee to protect the human subjects by reviewing the research protocol in ethical as well as scientific aspects, so it is necessary to continuously contemplate the ethical versus scientific dilemma of 'what is ethical or scientific and what can actually protect human subjects.' Particularly, in this process, it is necessary to consider diverse ways to strengthen self-supervision through continuous Internal Audit rather than simple reporting outcomes. In addition, if it does not directly affect the protection of the human subjects, the discussion with the committee members is needed so that the comments such as administrative and typographical errors can be reduced as much as possible. Furthermore, as statistical analysis methods can have a significant impact on the safety of human subjects, if a legal basis and/or support related to statistics is provided for the composition of IRB members, a more specialized IRB review will be achieved.

• 한국초등과학교육학회지:초등과학교육
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• 제30권3호
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• pp.340-352
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• 2011

The purpose of this study was to analyze effects of teaching materials for elementary science gifted conception about object recognition. Elementary science gifted have misconceptions that they can see in lightness. They can not explain how a shadow is made. This paper reports in-depth investigation on elementary science gifted's understanding of object recognition focusing on process of light. A program is developed to elementary science gifted in the subject matter. The tutorial emphasizing the process of light consists of pre-test, worksheet, and post-test. The Tutorial has 4 steps; darkness and light, light on things, light reached eyes, structure of the eyes. Each steps has 2~4 experiments. Through the tutorial, we expect their misconceptions can be changed into scientific conceptions. For the research and analysis, a questionnaire is posed to 39 elementary science gifted at M Elementary School in D Metropolitan City. The first method of product analysis makes a comparative study of pre-test, post-test score, and hake gain each test. As a result, total score of all student was raised. And hake gain of pre-test(II) is 0.6, hake gain of post-test is 0.68. It is Medium gain. Also, elementary science gifted could understand how we see through the tutorial emphasizing process of light. And their misconceptions can be changed into scientific conceptions.